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Sierra 18-43015 Mercruiser Thermostat
Sierra replacement thermostat for Mercruiser Stern Drives.
Fits: MCM 4.3L, 5.0L, 5.7L & 6.2L MPI engines w/dry joint exhaust & closed cooling
- Temperature Rating: 170°F (77°C)
Interchangeable with:
- Mallory
- 9-43015
- Mercruiser Stern Drive
- 864493
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-43015 Thermostat Specs
- Product MPN
- 18-43015
- Product UPC
- 808282341978
- Interchangeable with:
- Mallory 9-43015
- Interchangeable with:
- MerCruiser 864493
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